use_ key_ in_ widget_ constructors
Learn about the use_key_in_widget_constructors linter rule.
Use key in widget constructors.
Details
#DO use key in widget constructors.
It's a good practice to expose the ability to provide a key when creating public widgets.
BAD:
class MyPublicWidget extends StatelessWidget { } GOOD:
class MyPublicWidget extends StatelessWidget { MyPublicWidget({super.key}); }
Enable
# To enable the use_key_in_widget_constructors rule, add use_key_in_widget_constructors under linter > rules in your analysis_options.yaml file:
linter: rules: - use_key_in_widget_constructors If you're instead using the YAML map syntax to configure linter rules, add use_key_in_widget_constructors: true under linter > rules:
linter: rules: use_key_in_widget_constructors: true Unless stated otherwise, the documentation on this site reflects Dart 3.10.3. Report an issue.